AMD Ryzen 9 7940H vs AMD Ryzen 9 7845HX
Comparative analysis of AMD Ryzen 9 7940H and AMD Ryzen 9 7845HX processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.
Differences
Reasons to consider the AMD Ryzen 9 7940H
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 5 nm
- Around 57% lower typical power consumption: 35 Watt vs 55 Watt
Manufacturing process technology | 4 nm vs 5 nm |
Thermal Design Power (TDP) | 35 Watt vs 55 Watt |
Reasons to consider the AMD Ryzen 9 7845HX
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 4 more cores, run more applications at once: 12 vs 8
- 8 more threads: 24 vs 16
- Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
- Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
- 4x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 59% better performance in PassMark - CPU mark: 45644 vs 28660
Specifications (specs) | |
Unlocked | Unlocked vs Locked |
Number of cores | 12 vs 8 |
Number of threads | 24 vs 16 |
L1 cache | 64K (per core) vs 64K (per core) |
L2 cache | 1MB (per core) vs 1MB (per core) |
L3 cache | 64MB (shared) vs 16MB (shared) |
Benchmarks | |
PassMark - Single thread mark | 3963 vs 3956 |
PassMark - CPU mark | 45644 vs 28660 |
Compare benchmarks
CPU 1: AMD Ryzen 9 7940H
CPU 2: AMD Ryzen 9 7845HX
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD Ryzen 9 7940H | AMD Ryzen 9 7845HX |
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PassMark - Single thread mark | 3956 | 3963 |
PassMark - CPU mark | 28660 | 45644 |
3DMark Fire Strike - Physics Score | 11279 |
Compare specifications (specs)
AMD Ryzen 9 7940H | AMD Ryzen 9 7845HX | |
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Essentials |
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Launch date | Jan 2023 | 4 Jan 2023 |
Place in performance rating | 181 | 148 |
Architecture codename | Zen 4 | |
Family | Dragon Range | |
Performance |
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Base frequency | 4 GHz | 3 GHz |
Die size | 178 mm² | 2x 71 mm² |
L1 cache | 64K (per core) | 64K (per core) |
L2 cache | 1MB (per core) | 1MB (per core) |
L3 cache | 16MB (shared) | 64MB (shared) |
Manufacturing process technology | 4 nm | 5 nm |
Maximum core temperature | 100°C | 100°C |
Maximum frequency | 5.2 GHz | 5.2 GHz |
Number of cores | 8 | 12 |
Number of threads | 16 | 24 |
Transistor count | 25,000 million | |
Unlocked | ||
Memory |
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ECC memory support | ||
Supported memory types | DDR5-5600 MHz, Dual-channel | DDR5-5200 MHz, Dual-channel |
Compatibility |
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Configurable TDP | 54 Watt | |
Max number of CPUs in a configuration | 1 | 1 |
Sockets supported | FP8 | FL1 |
Thermal Design Power (TDP) | 35 Watt | 55 Watt |
Peripherals |
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PCIe configurations | Gen 4, 20 Lanes, (CPU only) | Gen 5, 28 Lanes, (CPU only) |